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Combined effects of...
Combined effects of continuous exercise and intermittent active interruptions to prolonged sitting on postprandial glucose, insulin, and triglycerides in adults with obesity : a randomized crossover trial
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- Wheeler, Michael J (författare)
- Cardiovascular Research Group, School of Human Sciences (Exercise and Sport Science), The University of Western Australia, Perth, Australia; Baker Heart and Diabetes Institute, Melbourne, Victoria, Australia; Mary MacKillop Institute for Health Research, Australian Catholic University, Melbourne, Australia
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- Green, Daniel J. (författare)
- Cardiovascular Research Group, School of Human Sciences (Exercise and Sport Science), The University of Western Australia, Perth, Australia
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- Cerin, Ester (författare)
- Baker Heart and Diabetes Institute, Melbourne, Victoria, Australia; Mary MacKillop Institute for Health Research, Australian Catholic University, Melbourne, Australia; School of Public Health, The University of Hong Kong, Hong Kong, China
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- Ellis, Kathryn A. (författare)
- Department of Psychiatry, University of Melbourne, Parkville, VIC, Australia
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- Heinonen, Ilkka, 1982- (författare)
- Högskolan i Halmstad,Rydberglaboratoriet för tillämpad naturvetenskap (RLAS),Cardiovascular Research Group, School of Human Sciences (Exercise and Sport Science), The University of Western Australia, Perth, Australia; Turku PET Centre, University of Turku, Turku, Finland
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- Lewis, Jaye (författare)
- Cardiovascular Research Group, School of Human Sciences (Exercise and Sport Science), The University of Western Australia, Perth, Australia
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- Naylor, Louise H. (författare)
- Cardiovascular Research Group, School of Human Sciences (Exercise and Sport Science), The University of Western Australia, Perth, Australia
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- Cohen, Neale (författare)
- Baker Heart and Diabetes Institute, 99 Commercial Rd, Melbourne, Victoria, Australia
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- Larsen, Robyn (författare)
- Baker Heart and Diabetes Institute, 99 Commercial Rd, Melbourne, Victoria, Australia
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- Dempsey, Paddy C. (författare)
- Baker Heart and Diabetes Institute, Melbourne, Victoria, Australia; MRC Epidemiology Unit, Institute of Metabolic Science, University of Cambridge, Cambridge Biomedical Campus, Cambridge, United Kingdom; Diabetes Research Centre, University of Leicester, Leicester General Hospital, Leicester, United Kingdom
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- Kingwell, Bronwyn A. (författare)
- Baker Heart and Diabetes Institute, Melbourne, Victoria, Australia
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- Owen, Neville (författare)
- Baker Heart and Diabetes Institute, Melbourne, Victoria, Australia; Centre for Urban Transitions, Swinburne University of Technology, Hawthorn, Australia
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- Dunstan, David W. (författare)
- Cardiovascular Research Group, School of Human Sciences (Exercise and Sport Science), The University of Western Australia, Perth, Australia Baker Heart and Diabetes Institute, Melbourne, Victoria, Australia; Mary MacKillop Institute for Health Research, Australian Catholic University, Melbourne, Australia
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(creator_code:org_t)
- 2020-12-14
- 2020
- Engelska.
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Ingår i: International Journal of Behavioral Nutrition and Physical Activity. - London : BioMed Central. - 1479-5868. ; 17:1
- Relaterad länk:
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https://doi.org/10.1...
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https://ijbnpa.biome...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
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- BACKGROUND: Postprandial glucose, insulin, and triglyceride metabolism is impaired by prolonged sitting, but enhanced by exercise. The aim of this study was to assess the effects of a continuous exercise bout with and without intermittent active interruptions to prolonged sitting on postprandial glucose, insulin, and triglycerides.METHODS: Sedentary adults who were overweight to obese (n = 67; mean age 67 yr SD ± 7; BMI 31.2 kg∙m- 2 SD ± 4.1), completed three conditions: SIT: uninterrupted sitting (8-h, control); EX+SIT: sitting (1-h), moderate-intensity walking (30-min), uninterrupted sitting (6.5-h); EX+BR: sitting (1-h), moderate-intensity walking (30- min), sitting interrupted every 30-min with 3-min of light-intensity walking (6.5 h). Participants consumed standardized breakfast and lunch meals and blood was sampled at 13 time-points.RESULTS: When compared to SIT, EX+SIT increased total area under the curve (tAUC) for glucose by 2% [0.1-4.1%] and EX+BR by 3% [0.6-4.7%] (all p < 0.05). Compared to SIT, EX+SIT reduced insulin and insulin:glucose ratio tAUC by 18% [11-22%] and 21% [8-33%], respectively; and EX+BR reduced values by 25% [19-31%] and 28% [15-38%], respectively (all p < 0.001 vs SIT, all p < 0.05 EX+SIT-vs-EX+BR). Compared to SIT, EX+BR reduced triglyceride tAUC by 6% [1-10%] (p = 0.01 vs SIT), and compared to EX+SIT, EX+BR reduced this value by 5% [0.1-8.8%] (p = 0.047 vs EX+SIT). The magnitude of reduction in insulin tAUC from SIT-to-EX+BR was greater in those with increased basal insulin resistance. No reduction in triglyceride tAUC from SIT-to-EX+BR was apparent in those with high fasting triglycerides.CONCLUSIONS: Additional reductions in postprandial insulin-glucose dynamics and triglycerides may be achieved by combining exercise with breaks in sitting. Relative to uninterrupted sitting, this strategy may reduce postprandial insulin more in those with high basal insulin resistance, but those with high fasting triglycerides may be resistant to such intervention-induced reductions in triglycerides.TRIAL REGISTRATION: Australia New Zealand Clinical Trials Registry (ACTRN12614000737639 ).
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Endokrinologi och diabetes (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Endocrinology and Diabetes (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Näringslära (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Nutrition and Dietetics (hsv//eng)
Nyckelord
- Exercise
- Glucose
- Insulin resistance
- Lipids
- Postprandial
- Sedentary behavior
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Wheeler, Michael ...
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Green, Daniel J.
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Cerin, Ester
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Ellis, Kathryn A ...
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Heinonen, Ilkka, ...
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Lewis, Jaye
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Naylor, Louise H ...
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Cohen, Neale
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Larsen, Robyn
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Dempsey, Paddy C ...
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Kingwell, Bronwy ...
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Owen, Neville
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Dunstan, David W ...
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